723264632103 has 128 divisors (see below), whose sum is σ = 1151884661760. Its totient is φ = 399551201280.

The previous prime is 723264632099. The next prime is 723264632107. The reversal of 723264632103 is 301236462327.

It is an interprime number because it is at equal distance from previous prime (723264632099) and next prime (723264632107).

It is not a de Polignac number, because 723264632103 - 2² = 723264632099 is a prime.

It is a super-2 number, since 2×723264632103² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (723264632107) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 253153851 + ... + 253156707.

It is an arithmetic number, because the mean of its divisors is an integer number (8999098920).

Almost surely, 2^723264632103 is an apocalyptic number.

723264632103 is a deficient number, since it is larger than the sum of its proper divisors (428620029657).

723264632103 is a wasteful number, since it uses less digits than its factorization.

723264632103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 217728, while the sum is 39.

The spelling of 723264632103 in words is "seven hundred twenty-three billion, two hundred sixty-four million, six hundred thirty-two thousand, one hundred three".